Siemens SIMATIC Box PC 820 Manual page 114

Keyboard Controller (PC FI45 V2)
Example 2: (PC FI45 V2, Shift key):
Function: Key is to be configured as a shift key.
Parameter Assignment
KEY 69 FF 00 7F
3-8
; KEY for upper mode alpha character/
Comment
Introductory character for the comment
IO attribute, here: key shifts to 2nd level
Attribute 1
AT code 2 for upper mode: do not send
key code
Matrix number : 1st digit: X matrix node
of the key, 2nd digit: Y matrix node of
the key (see Figure 3.3)
Keyword, introduces parameter
assignment of key
special character
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03